Basically, it is a startup directory where people can submit their
startups for free. There is also a premium option where you can
upgrade your listing and get featured on the homapge and social
networks. Startup Buffer has around 50K on social media and it is
Thanks for your list, In addition to this list I have found another high reputed startup directory called Startup Buffer ( https://startupbuffer.com ) & I believe it has a lots of followers & users on social sites. I also recommend you to add this site on your list.